恩里由来生害，故快意时须早回头；败后或反成功，故拂心处切莫放手。
恩泽中可能潜藏祸患，所以得意时要能尽早回头；失败后反而能够成功，因此失意时千万不要气馁。
Green development is not just a responsibility but also an opportunity.
不慎重的话语会导致苦难，而温和的言语能带来和平。
目前生活中最悲哀的方面是，科学收集知识的速度比社会收集智慧的速度快。
"Hope is the thing with feathers that perches in the soul."
——1997年9月26日在美国加州圣地亚哥市发表演讲
The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
"A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us."